| 4份苜蓿材料根系形态特征的初步分析 |
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| 引用本文： | 南丽丽,师尚礼,朱新强,陈建纲,赵文翰.4份苜蓿材料根系形态特征的初步分析[J].草原与草坪,2011,31(3):27-31. |
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| 作者姓名： | 南丽丽 师尚礼 朱新强 陈建纲 赵文翰 |
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| 作者单位： | 甘肃农业大学草业学院/草业生态系统教育部重点实验室/中-美草地畜牧业可持续发展研究中心/甘肃省草业工程实验室,甘肃兰州,730070 |
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| 基金项目： | 农业部行业专项“甘肃牧区优质高效饲草生产利用技术研究与示范”(201003023); 国家牧草产业技术体系项目(CARS-35); 全国牧草种质资源保护与利用(2130135)资助 |
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| 摘 要： | 研究了直根型陇东苜蓿、根蘖型甘农2号杂花苜蓿,野生黄花苜蓿和根茎型清水苜蓿在甘肃半湿润、半干旱和干旱3个不同生态区的根系形态特征.结果表明:根茎型清水苜蓿在天水半湿润区和兰州半干旱区主根长度较长,适应性较强;直根型陇东苜蓿在兰州半干旱区主根长度、主根直径、侧根数、根颈直径、根颈入土深度及分枝直径均最大,生长最为适宜;根...
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| 关 键 词： | 苜蓿 根系形态 生态区 |
Analysis on root morphology of four species of alfalfa |
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| NAN Li-li,SHI Shang-li,ZHU Xin-qiang,CHEN Jian-gang,ZHAO Wen-han.Analysis on root morphology of four species of alfalfa[J].Grassland and Turf,2011,31(3):27-31. |
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| Authors: | NAN Li-li SHI Shang-li ZHU Xin-qiang CHEN Jian-gang ZHAO Wen-han |
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| Institution: | NAN Li-li1,2,SHI Shang-li1,ZHU Xin-qiang1,CHEN Jian-gang1,ZHAO Wen-han1,2(College of Pratacultural Science,Gansu Agricultural University/Key Laboratory of Grassland Ecosystem,Ministry of Education/Sino-U.S.Centers for Grazingland Ecosystem Sustainability/Pratacultural Engineeing Laboratory of Gansu Province,Lanzhou 730070,China) |
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| Abstract: | The study in field were conducted in semi-humid,semi-arid,and arid regions to analyze root morphology of rhizomatous rooted Medicago sativa cv.Qingshui,tap rooted Medicago sativa cv.Longdong,creeping rooted Medicago varia cv.Gannong No.2,and creeping rooted native Medicago falcata material.The results showed that Medicago sativa cv.Qingshui was suitable for planting in Tianshui and Lanzhou regions due to its length of tap root;Medicago sativa cv.Longdong was suitable for planting in Lanzhou region due to it... |
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| Keywords: | Medicago root morphology ecotype |
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